package com.emerquim.persistence.dao;

// default package

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;

/**
 * A data access object (DAO) providing persistence and search support for
 * PEmpresasProductoras entities. Transaction control of the save(), update()
 * and delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see .PEmpresasProductoras
 * @author MyEclipse Persistence Tools
 */

public class PEmpresasProductorasDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(PEmpresasProductorasDAO.class);
	// property constants
	public static final String EPR_NOM = "eprNom";
	public static final String EPR_AFILIADO = "eprAfiliado";

	public void save(PEmpresasProductoras transientInstance) {
		log.debug("saving PEmpresasProductoras instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(PEmpresasProductoras persistentInstance) {
		log.debug("deleting PEmpresasProductoras instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public PEmpresasProductoras findById(long id) {
		log.debug("getting PEmpresasProductoras instance with id: " + id);
		try {
			PEmpresasProductoras instance = (PEmpresasProductoras) getSession().get("com.emerquim.persistence.dao.PEmpresasProductoras", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(PEmpresasProductoras instance) {
		log.debug("finding PEmpresasProductoras instance by example");
		try {
			List results = getSession().createCriteria("PEmpresasProductoras").add(Example.create(instance)).list();
			log.debug("find by example successful, result size: " + results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding PEmpresasProductoras instance with property: " + propertyName + ", value: " + value);
		try {
			String queryString = "from PEmpresasProductoras as model where model." + propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByEprNom(Object eprNom) {
		return findByProperty(EPR_NOM, eprNom);
	}

	public List findByEprAfiliado(Object eprAfiliado) {
		return findByProperty(EPR_AFILIADO, eprAfiliado);
	}

	public List findAll() {
		log.debug("finding all PEmpresasProductoras instances");
		try {
			String queryString = "from PEmpresasProductoras";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public PEmpresasProductoras merge(PEmpresasProductoras detachedInstance) {
		log.debug("merging PEmpresasProductoras instance");
		try {
			PEmpresasProductoras result = (PEmpresasProductoras) getSession().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(PEmpresasProductoras instance) {
		log.debug("attaching dirty PEmpresasProductoras instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(PEmpresasProductoras instance) {
		log.debug("attaching clean PEmpresasProductoras instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}